Weyland, Paul, author
Successful local broadcast sales
American Management Association, 2008
 eBooks
Voe, Merrill De, author
The how of successful sales management
Prentice-Hall, 1957
 Buku Teks
Azar, Brian, author
Your successful sales career
[American Management Association, ], 2004
 eBooks
Lambert, Brian, author
10 steps to successful sales
American Society for Training & Development, 2010
 eBooks
Firmanzah, author
Successful new product launching (npl) in the local market : bridging standardization and localization
Salemba Empat, 2009
 Buku Teks
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